dumbutt

An idiot, a butthole, or a stupid person who always messes up.

What a dumbutt!

by xXx_The Memester420_xXx February 22, 2017

dumbutt

A guy (person, as a non-sexist term) who has a suspiciously quiet rear end. Can also be used as an insult, or general slang term for rear end.

Do you have a dumbutt? (as a question)
What a dumbutt! (as an insult)
Man, my dumbutt is killing me! (as a slang)

by Define The Dumbutt April 20, 2006

dumbutt

Someone who is stupid and not doing what they are appose to do

Chase is a dumbutt for drawing on his window while driving.

by Guccimaneclassic June 02, 2023